As ocr biology - Study guides, Class notes & Summaries
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OCR AS Level Biology paper 2 Mark-scheme June 202-3
- Exam (elaborations) • 17 pages • 2024
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OCR AS Level Biology paper 2 Mark-scheme June 202-3
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OCR 2023 Biology A H020/02: Depth in biology AS Level Question Paper & Mark Scheme (Merged)
- Exam (elaborations) • 54 pages • 2024
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(a) Fig. 1.1 shows two cubes that represent a large and a small multicellular plant. 
Fig. 1.1 
Large multicellular 
plant 
Small multicellular 
plant 
Length = 2cm 
Width = 2 cm 
Depth = 2cm 
Surface area : volume 
= 6:1 
(i) Using the data provided in Fig. 1.1, calculate the surface area : volume of the large 
multicellular plant. 
Surface area: volume = ..........................................................[2] 
(ii) Explain why a large multicellular plant needs a transport system but a sm...
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OCR 2023 Biology A H020/02: Depth in biology AS Level Question Paper & Mark Scheme (Merged)
- Exam (elaborations) • 54 pages • 2024
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1 (a) Fig. 1.1 shows two cubes that represent a large and a small multicellular plant. 
Fig. 1.1 
Large multicellular 
plant 
Small multicellular 
plant 
Length = 2cm 
Width = 2 cm 
Depth = 2cm 
Surface area : volume 
= 6:1 
(i) Using the data provided in Fig. 1.1, calculate the surface area : volume of the large 
multicellular plant. 
Surface area: volume = ..........................................................[2] 
(ii) Explain why a large multicellular plant needs a transport system but a ...
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OCR AS Level Biology A H020/01 JUNE 2023 QUESTION PAPER: Breadth in biology
- Exam (elaborations) • 40 pages • 2023
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This is the official question paper
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AS OCR Biology A UPDATED Exam Questions and CORRECT Answers
- Exam (elaborations) • 21 pages • 2024
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AS OCR Biology A UPDATED Exam 
Questions and CORRECT Answers 
Describe the process of protein production. - Ans 1) Proteins synthesized on ribosomes bound 
to ER 
2) Pass into cisternae 
3) Packaged in transport vesicles 
4) Move to Golgi via cytoskeleton 
5) Fuse with cis face 
6) Modified 
7) Leave through trans face
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OCR 2023 Biology A H020/01: Breadth in biology AS Level Question Paper & Mark Scheme (Merged)
- Exam (elaborations) • 55 pages • 2024
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Section A 
You should spend a maximum of 25 minutes on this section. 
Write your answer for each question in the box provided. 
1 Which statement describes a problem that has resulted from the increased use of antibiotics? 
A Penicillin can no longer be used to treat infections. 
B Rates of MRSA infection have increased. 
C Some bacteria and fungi have evolved resistance to antibiotics. 
D Viral infections can no longer be treated with antibiotics. 
Your answer [1] 
2 The diagram shows a compute...
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OCR AS Level Biology A H020/01 JUNE 2023 MARK SCHEME: Breadth in biology
- Exam (elaborations) • 25 pages • 2023
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This is the final mark scheme
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